[EBOOK/PDF] The Sixth Extinction: An Unnatural History


It took me some time to read it but I can say it was one of the best lectures I ve had I m not a huge fan of books I don t read often and somehow this book kept me interested and the content was awakening Purchased through a third party maybe because the title is out of print I can t understand why it would be as it is essential reading for anyone with an interest in the environment wildlife Earth science etc It is well informed and written stylishly Although a detailed discussion of extinction and fully referenced it engages the reader throughout and I found it difficult to put aside Interesting topic terribly written poorly argued Was unable to complete it because of it s childish narrative voice No science here In the excellent THE SIXTH EXTINCTION TSE Elizabeth Kolbert briefly discusses the so called big five mass extinctions which had cataclysmic effects on earth s biodiversity These mass extinctions and "Their Probable Causes Are The End Ordovician Glaciation Late Devonian "probable causes are the End Ordovician laciation Late Devonian End Permian the warming of the oceans the rampant proliferation of a bacteria that produced hydrogen sulfide and a conseuent King Alfred's Version of St. Augustine's Soliloquies greenhouse effect Late Triassic ocean acidification and End Cretaceous aigantic meteor co. WINNER OF THE PULITZER PRIZEONE OF THE NEW YORK TIMES BOOK REVIEW'S 10 BEST BOOKS OF THE YEARA NEW YORK TIMES BESTSELLERA NATIONAL BOOK CRITICS CIRCLE AWARD FINALISTA major book about the future of the world TIMES BESTSELLERA NATIONAL BOOK CRITICS CIRCLE AWARD FINALISTA major book about the future of the world intellectual and natural history and field reporting into a powerful account of the mass extinction unfolding before our eyesOver the last half billion years there have been Five mass extinctions when the diversity of life on. The Sixth Extinction: An Unnatural HistoryLlides with the earthSo what is the sixth extinction and why is it different The causes of the five previous mass extinctions were natural catastrophes The and why is it different The causes of the five previous mass extinctions were natural catastrophes The in contrast is man made And it is occurring nowAs she discusses this sixth extinction Kolbert follows three narrative strategies Mostly she focuses each chapter in TSE on a particular animal that is extinct on the verge of extinction or that is becoming increasingly rare Then she examines the habitats and vulnerabilities of these animals and the human induced causes of their decline or demise "These Animals And The "animals and the to their existence include the Rescuing Gus golden frog a fungus harmless to African frogs that humans spread through the exigencies of pregnancy tests and fine diningreat Auks overhunting corals acidification of the oceans North American brown bats another fungus this time originating with immune European bats white plumed antbirds habitat fragmentation and a conseuent reduction in army ant colonies which is their primary food and megafauna such as the mastodon and Sumatran rhino which are doomed by their long estation periods and #Human PredationMeanwhile Her Second Strategy #predationMeanwhile her second strategy to focus on environments In this case her subjects are oce. Earth suddenly and dramatically contracted Scientists around the world are currently monitoring the sixth extinction predicted to be the most devastating extinction event since the asteroid impact that wiped out the dinosaurs This time around the cataclysm is us In prose that is at once frank entertaining and deeply informed New Yorker writer Elizabeth Kolbert tells us why and how human beings have altered life on the planet in a way no. Ans which are radually becoming acidic as they absorb the humans enerate "Through Burning Fossil Fuels "burning fossil fuels forests which are losing species because of lobal warmingFinally Kolbert examines the attempt by scientists to preserve species that are on the verge of extinction Here she visits a frozen zoo where cells of threatened species are preserved in cryogenic fluid and thereby kept viable And she discusses actual zoos that have breeding programs for rare animalsThe blurbs on my edition of TSE observe that this book is arresting riveting and powerful And they describe Kolbert s writing as masterful surprisingly breezy and engrossing All this is true and she ets the final word Today amphibians enjoy the dubious distinction of being the world s most endangered class of animals But extinction rates among many other roups are approaching amphibian levels It is estimated that one third of all reef building corals a third of all fresh water mollusks a third of sharks and rays a uarter of all mammals a fifth of all reptiles and a sixth of all birds are headed toward oblivion If you know how to look you can probably find signs of the current extinction event in your own backyard Highly recommended. Species has before Interweaving research in half a dozen disciplines descriptions of the fascinating species that have already been lost and the history of extinction as a concept Kolbert provides a moving and comprehensive account of the disappearances occurring before our very eyes She shows that the sixth extinction is likely to be mankind's most lasting legacy compelling us to rethink the fundamental uestion of what it means to be hum.

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